Finding the Fourth Proportional to 230,310.88, 345,400.71 and 145,943.71
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Solution
The fourth proportional to 230,310.88, 345,400.71 and 145,943.71 is: 218,873.99
Step by Step Solution
- Step 1: Write the proportion equation
230,310.88 : 345,400.71 = 145,943.71 : x - Step 2: Convert to fraction form
230,310.88/345,400.71 = 145,943.71/x - Step 3: Cross multiply
230,310.88x = 345,400.71 × 145,943.71 - Step 4: Simplify right side
230,310.88x = 50,409,061,054.03 - Step 5: Solve for x
x = 50,409,061,054.03/230,310.88 - Step 6: Final answer
x = 218,873.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.